Comparative Pharmacology
Head-to-head clinical analysis: CLOPRA versus PROCHLORPERAZINE EDISYLATE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CLOPRA versus PROCHLORPERAZINE EDISYLATE.
CLOPRA vs PROCHLORPERAZINE EDISYLATE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Clopra (metoclopramide) is a dopamine D2 receptor antagonist and a 5-HT4 receptor agonist, enhancing gastrointestinal motility and having antiemetic effects via central and peripheral actions.
Prochlorperazine is a phenothiazine antipsychotic that antagonizes dopamine D2 receptors in the brain, particularly in the chemoreceptor trigger zone, exerting antiemetic effects. It also blocks alpha-adrenergic and muscarinic receptors.
Clopra (metoclopramide) 10 mg orally or intramuscularly 30 minutes before meals and at bedtime; maximum 30 mg/day. For intravenous administration, give 10 mg over 1-2 minutes.
Antiemetic: 5-10 mg IM/IV every 3-4 hours as needed, maximum 40 mg/day; or 25 mg PR twice daily. Antipsychotic: 10-20 mg IM/IV every 1-4 hours, maximum 40 mg/day; oral: 5-10 mg 3-4 times daily, maximum 150 mg/day.
None Documented
None Documented
Clinical Note
moderateMetoclopramide + Haloperidol
"The risk or severity of adverse effects can be increased when Metoclopramide is combined with Haloperidol."
Clinical Note
moderateMetoclopramide + Quinagolide
"The therapeutic efficacy of Quinagolide can be decreased when used in combination with Metoclopramide."
Clinical Note
moderateMetoclopramide + Cyclosporine
"Metoclopramide can cause an increase in the absorption of Cyclosporine resulting in an increased serum concentration and potentially a worsening of adverse effects."
Clinical Note
moderateTerminal elimination half-life 6-8 hours (prolonged in renal impairment; up to 20 hours in severe CKD)
Terminal elimination half-life is approximately 6-8 hours, but may be prolonged to 10-12 hours in elderly patients or those with hepatic impairment. In overdoses, half-life can extend beyond 24 hours.
Renal (50-70% as unchanged drug and metabolites); fecal (20-30%); biliary (minor ~5%)
Primarily renal excretion of metabolites (approximately 70-80% as conjugated metabolites), with less than 1% excreted unchanged. Fecal excretion accounts for about 20-30% via biliary elimination.
Category C
Category A/B
Antiemetic/Prokinetic Agent
Typical Antipsychotic / Antiemetic
Metoclopramide + Clotrimazole
"The metabolism of Clotrimazole can be decreased when combined with Metoclopramide."